diff --git a/AUTHORS b/AUTHORS
index 7e1c086dd..62076497a 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -45,7 +45,7 @@ R
      g10/free-packet.c, g10/mdfilter.c, g10/plaintext.c, util/iobuf.c)
 
 Stefan Bellon   <sbellon@sbellon.de> Assignment
-   (All patches to support RISCOS)
+   (All patches to support RISC OS)
 
 Tedi Heriyanto	<tedi_h@gmx.net> Translations [id]
 
diff --git a/NEWS b/NEWS
index 7340915d0..dce7ba0dc 100644
--- a/NEWS
+++ b/NEWS
@@ -21,7 +21,7 @@
 
     * RSA key generation.
 
-    * Merged Stefan's patches for RISCOS in.  See comments in
+    * Merged Stefan's patches for RISC OS in.  See comments in
       scripts/build-riscos. 
 
     * It is now possible to sign an convenional encrypt a message (-cs).
diff --git a/cipher/ChangeLog b/cipher/ChangeLog
index c50dba0ce..a0700c27e 100644
--- a/cipher/ChangeLog
+++ b/cipher/ChangeLog
@@ -1,15 +1,15 @@
 2001-08-20  Werner Koch  <wk@gnupg.org>
 
 	Applied patches from Stefan Bellon <sbellon@sbellon.de> to support
-	the RISCOS.  Nearly all of these patches are identified by the
+	RISC OS.  Nearly all of these patches are identified by the
 	__riscos__ macro.
 	* blowfish.c, twofish.c: Added pragmas for use with a Norcraft
 	compiler. 
-	* dynload.c, md5.c, rmd160.c, sha1.c: Minor patches for RISCOS.
+	* dynload.c, md5.c, rmd160.c, sha1.c: Minor patches for RISC OS.
 	* rndriscos.c: New.
 	* rnd-internal.h: Added prototype.
 	* random.c (fast_random_poll): Use '#if defined' instead of just
-	'defined'; needed for RISCOS.
+	'defined'; needed for RISC OS.
 	* primegen.c (gen_prime): count? are now ints for consistence
 	with is_prime().